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| author | Zhang Qilong <zhangqilong3@huawei.com> | 2020-11-13 21:16:23 +0800 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2020-12-17 01:46:37 -0800 |
| commit | 8c6239f6e95f583bb763d0228e02d4dd0fb3d492 (patch) | |
| tree | 14918cdd09a5a9e5ee3ac1ce0fa2683d3913e67b /drivers/clk | |
| parent | 3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff) | |
| download | linux-8c6239f6e95f583bb763d0228e02d4dd0fb3d492.tar.gz linux-8c6239f6e95f583bb763d0228e02d4dd0fb3d492.tar.bz2 linux-8c6239f6e95f583bb763d0228e02d4dd0fb3d492.zip | |
clk: ti: Fix memleak in ti_fapll_synth_setup
If clk_register fails, we should goto free branch
before function returns to prevent memleak.
Fixes: 163152cbbe321 ("clk: ti: Add support for FAPLL on dm816x")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201113131623.2098222-1-zhangqilong3@huawei.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/ti/fapll.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/clk/ti/fapll.c b/drivers/clk/ti/fapll.c index 95e36ba64acc..8024c6d2b9e9 100644 --- a/drivers/clk/ti/fapll.c +++ b/drivers/clk/ti/fapll.c @@ -498,6 +498,7 @@ static struct clk * __init ti_fapll_synth_setup(struct fapll_data *fd, { struct clk_init_data *init; struct fapll_synth *synth; + struct clk *clk = ERR_PTR(-ENOMEM); init = kzalloc(sizeof(*init), GFP_KERNEL); if (!init) @@ -520,13 +521,19 @@ static struct clk * __init ti_fapll_synth_setup(struct fapll_data *fd, synth->hw.init = init; synth->clk_pll = pll_clk; - return clk_register(NULL, &synth->hw); + clk = clk_register(NULL, &synth->hw); + if (IS_ERR(clk)) { + pr_err("failed to register clock\n"); + goto free; + } + + return clk; free: kfree(synth); kfree(init); - return ERR_PTR(-ENOMEM); + return clk; } static void __init ti_fapll_setup(struct device_node *node) |